<!DOCTYPE html>
<html>
	<head>
		<meta charset="UTF-8">
		<title></title>
		<link rel="stylesheet" type="text/css" href="css/demo.css" />
		<style>
			.msg {
				color: red;
			}
		</style>
	</head>
	<body>
		<div id="app">
			<fieldset>
				<legend>登录</legend>
				<div class="form-group">
					<label>用户名:</label>
					<input type="text"/>
					<span class="msg"></span>
				</div>
				<div class="form-group">
					<label>密码:</label>
					<input type="password"/>
					<span class="msg"></span>
				</div>
				<div class="form-group">
					<label></label>
					<button>登录</button>
					<span class="msg"></span>
				</div>
			</fieldset>
		</div>
		<script>
		</script>
	</body>
</html>
